Space Heaters

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diablo75

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Sep 7, 2006
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What's the most efficient kind (in terms of energy consumption), and who makes one that's good as well as cheap?

I think I remember reading somewhere that the oil filled heaters are the most efficient because they can radiate more heat or something...
 
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I use kerosene heaters and quite satisfied. Even with the cost of fuel today it's cheaper than the cost of kicking up the thermostat on natural gas furnace these days. Electric space heaters are extremely efficient during power outages.:)
 
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the most efficient are quartz electric heaters, they heat with IR radiation
mostly only heating people and not the air. advantage is they use very
little electricity to make you warm (relative to heating all the air
in the room), disadvantage is that you have to be close to them
(within 6 feet) to feel the heat. so they work well for a lightly
used room or where people will be in a small area.

the oil filled convection radiators work well and are very
safe relative to other styles (there is no hot surface to
touch or heat enough to start objects on fire) so is
very good for rooms with kids or elderly. they are quiet.
they work by warming all the air in the room.

keeping humidity between 30 and 60 percent will
make you feel warmer and make better use of
heating dollars.

kerosene heaters or any heaters doing combustion need to
be ventilated to prevent carbon monoxide buildup, they also
need fresh air for combustion. these need to be used
following lots of safety rules so as to not kill yourself
or burn your house down. lots of people in the usa
have those disasters because they don't. they are
widely used safely in japan and korea, so they can be used.

any space heating device, electric or direct combustion,
radiant or convective, needs to be used with caution.
people all the time kill family and burn houses because
it was used for too long a time or too close to objects
that could burn.
 
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johnpost said:
....................................kerosene heaters or any heaters doing combustion need to
be ventilated to prevent carbon monoxide buildup, they also
need fresh air for combustion. these need to be used
following lots of safety rules so as to not kill yourself
or burn your house down. lots of people in the usa
have those disasters because they don't. they are
widely used safely in japan and korea, so they can be used.

any space heating device, electric or direct combustion,
radiant or convective, needs to be used with caution.
people all the time kill family and burn houses because
it was used for too long a time or too close to objects
that could burn.
Not to get into an argument, but all space heaters regardless of type are dangerous. My kerosene heaters have been in use for about 8-9 years, are non-ventilated and portable around the house where needed. I have carbon monoxide detectors and they have never shown any levels present during use of kerosene heaters. Doesn't mean they can't, but if kept in good condition and maintained properly should not be a problem. Most of the deaths in our area are contributed to natural gas furnaces that are not maintained or some idiot using their charcoal or gas BBQ grill for a heater indoors. I was very leery of using the kerosene heaters, but due to frequent electrical outages in our area, prefer them over electric and have become comfortable with using them. Their 23,000 BTU output makes things very cozy & toasty.

If burned and extinguished properly, they produce little, if any, odor.
 
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I use electric space heater. I had 2 that I used a long time ago when I thought the furnece quit but turns out was just a TV that blew up and emitted that smell. i use one small space heater in my bedroom has its the coldest do to a crawl space above the closet
 
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there are two uses of the term ventilated and we
used in different ways.

in the device sense, ventilated means that it needs
a exhaust pipe to the outside, also maybe combustion
air supply from outside.

in the dwelling and environmental sense ventilated
means that there needs to have air exchange.

when portable kerosene space heaters are said
to be nonventilated means they don't need a
flue or air supply, they can be open in a room.
they do produce carbon monoxide and use up
oxygen, that ventilation can be done by having
the house leaky to the outside or having doors
being opened occassionally.

the use of carbon monoxide detectors is a
good suggestion. any house that has
a combustion heating device, that includes
furnace or boiler in the basement and gas
water heaters and wood stoves and
wood/gas fireplaces, should have one.
if you use a nonventilated kerosene
space heater they are what might
keep you from dying. those detectors
have a 4 to 6 year (as i recall without
verifying) lifetime, the sensor becomes
less sensitive overtime until it stops
being sensitve enough to be a
lifesaving alarm.
 

JohnWill

Retired Moderator
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Actually, all electric heaters will have exactly the same efficiency, 3.4 BTU/Watt. While some heaters may be more effective at putting the heat where you want it, you'll get the same amount of heat from any resistance heater.
 
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SouthParkXP101 said:
I had a nice old holmes in ohio for the garage .......
i don't think I can put a heater in my garage to much gas fumes from the small engines i repair:confused:
 
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i had a small garage in ohio that just had my mower and snow attachments etc.... i also had a huge NG Peerless heater hanging from the celing(y)
 
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SouthParkXP101 said:
i had a small garage in ohio that just had my mower and snow attachments etc.... i also had a huge NG Peerless heater hanging from the celing(y)
so with 5 gallions of gas and 3 lawnmowers 2 snowblowers and any small engines clents drop off Im fine as long as the heater is off the ground
 
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Jan 29, 2007
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I have a older 9 room house, 6 down stairs and 3 very nice big rooms up stairs, plenty of plugs but no heat. I have a brand new, well almost 2 year old, oil boiler, tank, lines, the works. I leave the inside entrance door to upstairs open and it never goes below 68° upstairs. My dinning room and living room are almost like one except for a nice oak half height wall. Because of the heat going up stairs I supplement these 2 room that we are mostly in with one portable oil filled DeLong radiator. We put it on mostly every night for 2 hours then shut it off for about 30 minutes and back on for another 2 hours.
Our electric bill has gone up about $15.00-$20.00 per month in the winter.
Best investment I ever made. The DeLong is great. The only thing I found was that on a older wall plug the wall box and the heater plug will heat up after 2 hours. In my new electric outlets I can leave them on as long as I want to.
So 120 hours a month cost us tops $20.00 per month. Of course thats New England electric prices. That may give you something about the cost of it. The heat from the DeLong is really great. Much better heat and longer lasting then any other that I have had in my 12 years here.
 
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